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National Stock Number:
5310-01-175-3733
Federal Supply Class:
5310
National Item Identification Number:
011753733
Description:
WASHER,FLAT
Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
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Manufacturer Information:
| 104731678 | 058R3 | GE AVIATION SYSTEMS LLC | | 104731678 | 35012 | GE AVIATION SYSTEMS LLC | | 104731678 | K0654 | SAFRAN LANDING SYSTEMS UK LTD | | 5 | K0654 | SAFRAN LANDING SYSTEMS UK LTD | | 104731678 | U7388 | TRIUMPH AEROSPACE OPERATIONS UK, LTD. |
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Techincal Specification:
| MATERIAL | STEEL COMP 301 OR | | STEEL COMP 304 OR | | STEEL COMP E4340 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766,1/2 HARD FED SPEC 1ST MATERIAL RESPONSE OR | | QQ-S-766,COND A FED SPEC 2ND MATERIAL RESPONSE OR | | MIL-S-5000 MIL SPEC 3RD MATERIAL RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.177 INCHES MINIMUM AND | | 0.182 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.607 INCHES MINIMUM AND | | 0.612 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.019 INCHES MINIMUM AND | | 0.026 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES TOP | | 63.0 MICROINCHES BOTTOM |
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